0 abbreviation for non-disclosure agreement: a legal document stating that someone will not tell anyone certain private information, especially about the company they work for: --
Never provide confidential information without an NDA.
1 abbreviation for non-disclosure agreement --
NDAs are signed legal agreements between you and those you show your invention to, to prevent them from manufacturing your invention or telling others about it.
I am unable to deliver a full-blown project summary until we have signed an NDA.
They didn't make any of us sign an NDA or anything.